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Q. Consider the following statements and select the correct statement(s).
I. $1$ calorie $=4.18$ joule
II. $ 1 \,\mathring{A}=10^{-10} m$
III. $ 1 \,MeV =1.6 \times 10^{-13}$ joule
IV. $1$ newton $=10^{-5}$ dyne

Physical World, Units and Measurements

Solution:

$1$ newton $=10^5$ dyne